/**
 * 
 */
package com.cipe.cmrs.util;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

/**
 * @author Incepio
 * 
 */
public enum StreamUtil {
	INSTANCE;

	public static final int DEFAULT_BUFFER_SIZE = 8192;

	public void transfer(InputStream inputStream, OutputStream outputStream) throws IOException {
		transfer(inputStream, outputStream, DEFAULT_BUFFER_SIZE);
	}

	public void transfer(InputStream inputStream, OutputStream outputStream, int bufferSize) throws IOException {

		byte buf[] = new byte[bufferSize];

		int n = inputStream.read(buf);
		while (n != -1) {
			outputStream.write(buf, 0, n);
			n = inputStream.read(buf);
		}

		outputStream.flush();
	}
}